.m-collapse-transition {
  transition: height 0.3s ease;
  overflow: hidden;
}
.m-collapse .m-collapse-item {
  border: solid 1px #e1e8f3;
}
.m-collapse .m-collapse-item + .m-collapse-item {
  margin-top: -2px;
}
.m-collapse .m-collapse-item .m-collapse-item--title {
  background-color: #F6F8FA;
  border-bottom: solid 1px #e1e8f3;
  height: 38px;
  line-height: 38px;
  padding-left: 16px;
  cursor: pointer;
  position: relative;
  font-size: 13px;
}
.m-collapse .m-collapse-item:first-child {
  border-top-left-radius: 3px;
  border-top-right-radius: 3px;
}
.m-collapse .m-collapse-item:last-child {
  border-bottom-left-radius: 3px;
  border-bottom-right-radius: 3px;
}
.m-collapse .m-collapse-item:last-child .m-collapse-item--title {
  border-bottom: none;
}
.m-collapse .m-collapse-item:last-child.is-open .m-collapse-item--title {
  border-bottom: inherit;
}
.m-collapse .m-collapse-item .m-collapse-item--arrow {
  display: inline-block;
  width: 15px;
  height: 15px;
  line-height: 0;
  position: absolute;
  top: 50%;
  right: 10px;
  transform: translateY(-50%);
}
.m-collapse .m-collapse-item .m-collapse-item--title:hover {
  background-color: #ebeff3;
}
.m-collapse .m-collapse-item .m-collapse-item--content {
  padding: 15px;
  background-color: #fff;
}
.m-collapse.is-simple .m-collapse-item {
  border-left: none;
  border-right: none;
  border-radius: 0;
}
.m-collapse.is-simple .m-collapse-item .m-collapse-item--title {
  border: none;
}
.m-collapse.is-simple .m-collapse-item + .m-collapse-item {
  margin-top: -1px;
}
